Rotary engines, known for their unique design and compact size, have been predominantly associated with Mazda. However, engineers and automotive enthusiasts have experimented with incorporating these ...

A new Mazda patent filing reveals an innovative exhaust gas recirculation (EGR) system for rotary engines.

The rotary engine has been a Mazda staple since 1967. It powered one of the most famous and eccentric Japanese sports car line-ups, the RX-series, until 2012 when Mazda discontinued pure ...

It’s been over a decade since Mazda showed off a hydrogen rotary engine, but the lessons in engineering linger to this day. When it comes to engines, the Wankel rotary is one of the lightest and ...

Rotary cars have always lived in their own corner of car culture. They sound different, rev differently, need different care, and attract owners who understand why a tiny engine with no pistons can ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...